"Structure of a Mafia Crime Family

The "Honored Society" as the Mafia is commonly known among its members is structured much like a modern corporation in the sense that duties and responsibilities are disseminated downward through a "chain of command" that is organized in pyramid fashion. (Example follows)

Capo Crimini/Capo de tutti capi (super boss/boss of bosses)
Consigliere (trusted advisor or family counselor)
Capo Bastone (Underboss, second in command)
Contabile (financial advisor)
Caporegime or Capodecina (lieutenant, typically heads a faction of ten or more soldiers comprising a "crew.")
Sgarrista (a foot soldier who carries out the day to day business of the family. A "made" member of the Mafia)
Piciotto (lower-ranking soldiers; enforcers. Also known in the streets as the "button man.")
Giovane D'Honore (Mafia associate, typically a non-Sicilian or non-Italian member)"

The author of the text seems to be confusing terms used in all three different Italian criminal organizations. I know very little about Ndangeta and Camorra so perhaps someone who is better versed can explain it better. But, a Sgarrista is a soldier in the Ndrangeta (or Camorra). Capobastone seems to be a rank within any of the two mainland based organizations. A soldier in the Mafia (the Sicilian organization) is usually refeerd to as soldati or sometime piciotto. The contabile reference, I´ve never heard of before, but it could be a term for a financial advisor. In any case, contabile is not an offical rank within the Mafia.

The American Mafia Families have these as official ranks:

Boss (originally Capo)
Underboss (originally Sotto capo)
Consigliere
Captain, or skipper, or crew leader (originally Caporegima/Capodecina)
Soldier (originally Soldati)

And one more thing, non-Italians can never be members of any of these organizations.